Yveltal @ Icicle Plate  
Ability: Wonder Guard  
EVs: 248 HP / 252 Atk / 252 Def / 248 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- Shell Smash  
- Photon Geyser  
- Judgment  
- Beat Up  

Blissey (F) @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Parting Shot  
- Perish Song  
- Sticky Web  
- Recover  

Blissey (F) @ Darkinium Z  
Ability: Innards Out  
EVs: 252 HP / 252 SpD  
Gentle Nature  
IVs: 0 Atk / 0 Def / 0 Spe  
- Parting Shot  
- Magic Coat  
- Soft-Boiled  
- Spikes  

Mewtwo-Mega-X @ Choice Scarf  
Ability: Parental Bond  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Photon Geyser  
- Close Combat  
- Megahorn  
- Light That Burns the Sky  

Kartana @ Focus Sash  
Ability: Pure Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Sunsteel Strike  
- Searing Sunraze Smash  
- Spore  

Blacephalon @ Focus Sash  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Stealth Rock  
- Menacing Moonraze Maelstrom  
- Mind Blown  
- Pursuit